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DATE: 01/23/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:04                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              070/Ellis                                                 VRSN:      W
                                                        070-915/Maypearl ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A               23,794,871        0.9912            24,006,125              16              344         .080568921
      2           A               23,948,304        0.9503            25,200,783              16              183         .015066546
      3           A               23,647,178        0.9709            24,355,936              21              126         .006980927
      4           A               23,769,234        0.9932            23,931,971              20               78         .001754033
      5           D3              39,658,690        0.9412            42,136,305              22            1,436         .050314493
  RANDOM TOTALS:                 134,818,277                         139,631,120              95            2,167
  CATG J  EXCEPTION VALUES:       13,319,059                          13,036,354
  CATG D1 EXCEPTION VALUES:        4,767,030                           3,941,082
 TOTAL TEST VALUES (4):          152,904,366                         156,608,556
 MARGIN OF ERROR PERCENT:          5.0000001
 MARGIN OF ERROR VALUE:            7,830,428
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:            148,778,128 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:             152,904,366 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:            164,438,984 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):             151,810,695 (SEE ISD SUMMARY WORKSHEET)

 SOURCES:
 (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430
 (2) NUMBER OF PARCELS SAMPLED BY STAFF
 (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT
 (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES
 (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES